package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO 1
     * @return 1
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        cleanDish("dish_"+dishDTO.getCategoryId());
        return Result.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO 1
     * @return 1
     */
    @GetMapping("/page")
    @ApiOperation("菜品分类查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 批量删除菜品
     *
     * @param ids 1
     * @return 1
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除{}", ids);
        dishService.deleteByIds(ids);

        //删除Redis中所有以"dish_"开头的数据
        cleanDish("dish_*");

        return Result.success();
    }

    /**
     * 根据ID查询菜品及口味
     *
     * @param id 1
     * @return 1
     */
    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品及口味")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id{}查询数据",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改对应ID的菜品及口味
     * @param dishDTO 1
     * @return 1
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        dishService.upadateDishAndFlavor(dishDTO);

        //删除Redis中所有以"dish_"开头的数据
        cleanDish("dish_*");

        return Result.success();
    }

    /**
     * 菜品起售、停售
     * @param status 1
     * @param id 1
     * @return 1
     */
    @ApiOperation("菜品起售、停售")
    @PostMapping("/status/{status}")
    public Result<String> updateStatus(@PathVariable Integer status, Long id) {
        dishService.updateStatus(status,id);

        //删除Redis中所有以"dish_"开头的数据
        cleanDish("dish_*");

        return Result.success();
    }

    /**
     * 根据分类ID查询菜品
     * @param categoryId 1
     * @return 1
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern 1
     */
    private void cleanDish(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
